Made StoneSet iterable

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@31 72836036-5685-4462-b002-a69064685172

1 files changed, 32 insertions, 3 deletions

diff --git a/src/jrummikub/model/StoneSet.java b/src/jrummikub/model/StoneSet.java
index d949187..ba96625 100644
--- a/src/jrummikub/model/StoneSet.java
+++ b/src/jrummikub/model/StoneSet.java
@@ -1,19 +1,24 @@
 package jrummikub.model;
 
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
 import java.util.List;
 
+import sun.reflect.generics.reflectiveObjects.NotImplementedException;
+
 import jrummikub.util.Pair;
 
 /** Class managing {@link Stone}s joined together to form sets */
-public class StoneSet {
+public class StoneSet implements Iterable<Stone> {
 	private List<Stone> stones;
 
 	public StoneSet(Stone stone) {
-
+	  stones = Collections.singletonList(stone);
 	}
 
 	public StoneSet(List<Stone> stones) {
-
+	  this.stones = new ArrayList<Stone>(stones);
 	}
 
 	/** Test for rule conflict within the StoneSet */
@@ -60,4 +65,28 @@ public class StoneSet {
 		return stones.get(i);
 	}
 
+  @Override
+  public Iterator<Stone> iterator() {
+    final Iterator<Stone> it = stones.iterator();
+    
+    return new Iterator<Stone>(){
+
+      @Override
+      public boolean hasNext() {
+        return it.hasNext();
+      }
+
+      @Override
+      public Stone next() {
+        return it.next();
+      }
+
+      @Override
+      public void remove() {
+        // removing stones is impossible
+        
+        throw new NotImplementedException();        
+      }};
+  }
+
 }